OpenTechnical

OT-2026-000011470

Publication integrity record

Single cup vacuum gripper, plant vacuum fed, supply line pressure sensor, vented after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000011470) never changes.

Identity and time

Publication numberOT-2026-000011470 · never reused
Internal UUID01a0ae6c-88ff-74f7-bd83-2636fa1637d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011470
StatusPUBLIC

Content hashes

Canonical text997ad3631289d377ab6d68cff191f730d402e214e417fe7d5d9eadabc882110c
Markdown1fb7593e5abe99add09a2bad67edda08fbd54832000f285eb55ab0a989a8d983
PDF
Publication page4313c0b9027c326c4d6ead1ae4cd5ed1975b97f7e654395d47f70d59c21fe0f2
Manifest601537dc0e5c1b313697c976092d2ccc4956c3afc04aab1f85daf3ad77e35549

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturefzZcB+cShcYPdpFH1Euq8qsqh8NbzgcurE8dYh23btAzpTHsMwcUoe1HPkE1reDZYjlxlbTYJy2FQcrzSZiRBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:13:14.391477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011470
observed 4313c0b9027c326c4d6ead1ae4cd5ed1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:14.370320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011470/manifest.json
observed 601537dc0e5c1b313697c976092d2ccc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:14.349656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011470/publication.md
observed 1fb7593e5abe99add09a2bad67edda08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:14.331487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011470/publication.txt
observed 997ad3631289d377ab6d68cff191f730...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.